GB1477285A - Process for the preparation of aliphatic polycarbonate diols - Google Patents

Process for the preparation of aliphatic polycarbonate diols

Info

Publication number
GB1477285A
GB1477285A GB4746975A GB4746975A GB1477285A GB 1477285 A GB1477285 A GB 1477285A GB 4746975 A GB4746975 A GB 4746975A GB 4746975 A GB4746975 A GB 4746975A GB 1477285 A GB1477285 A GB 1477285A
Authority
GB
United Kingdom
Prior art keywords
acid
aliphatic polycarbonate
water
diols
transesterification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4746975A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Nationale des Poudres et Explosifs
Original Assignee
Societe Nationale des Poudres et Explosifs
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe Nationale des Poudres et Explosifs filed Critical Societe Nationale des Poudres et Explosifs
Publication of GB1477285A publication Critical patent/GB1477285A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/44—Polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/02—Aliphatic polycarbonates
    • C08G64/0208—Aliphatic polycarbonates saturated
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/305—General preparatory processes using carbonates and alcohols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polyurethanes Or Polyureas (AREA)
GB4746975A 1974-12-11 1975-11-18 Process for the preparation of aliphatic polycarbonate diols Expired GB1477285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440839A FR2294200A1 (fr) 1974-12-11 1974-12-11 Procede perfectionne de preparation d'oligocarbonates par double catalyse

Publications (1)

Publication Number Publication Date
GB1477285A true GB1477285A (en) 1977-06-22

Family

ID=9146038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4746975A Expired GB1477285A (en) 1974-12-11 1975-11-18 Process for the preparation of aliphatic polycarbonate diols

Country Status (12)

Country Link
US (1) US4005121A (cg-RX-API-DMAC7.html)
JP (1) JPS5183694A (cg-RX-API-DMAC7.html)
BE (1) BE836533A (cg-RX-API-DMAC7.html)
CA (1) CA1064956A (cg-RX-API-DMAC7.html)
DE (1) DE2555882C3 (cg-RX-API-DMAC7.html)
DK (1) DK559075A (cg-RX-API-DMAC7.html)
FR (1) FR2294200A1 (cg-RX-API-DMAC7.html)
GB (1) GB1477285A (cg-RX-API-DMAC7.html)
IE (1) IE42098B1 (cg-RX-API-DMAC7.html)
IT (1) IT1051459B (cg-RX-API-DMAC7.html)
LU (1) LU73969A1 (cg-RX-API-DMAC7.html)
NL (1) NL7514068A (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373570A1 (fr) * 1976-12-10 1978-07-07 Poudres & Explosifs Ste Nale Nouveaux polycarbonates aliphatiques triols et leurs applications
US4349486A (en) * 1978-12-15 1982-09-14 General Electric Company Monocarbonate transesterification process
IT1130285B (it) 1980-03-05 1986-06-11 Anic Spa Procedimento per la sintesi di allil carbonati di alcoli poliidrici e loro derivati
US4456745A (en) * 1982-05-24 1984-06-26 Ethyl Corporation Polyurethanes prepared from polycarbonates
EP0227819A4 (en) * 1985-07-01 1988-02-08 Dow Chemical Co METHOD FOR INCREASING THE MOLECULAR WEIGHT OF POLY (ALKYLENE CARBONATE) POLYOLS.
DE4130807A1 (de) * 1991-09-17 1993-03-18 Wolff Walsrode Ag Verfahren zur herstellung von polysaccharidcarbonaten
TWI761404B (zh) * 2016-12-19 2022-04-21 德商科思創德意志股份有限公司 製備具有低反應性（環）脂族聚碳酸酯多元醇之方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915529A (en) * 1957-04-15 1959-12-01 Jefferson Chem Co Inc Method for preparing glycerin carbonate
DE1493757A1 (de) * 1965-12-29 1969-01-30 Bayer Ag Verfahren zur Herstellung von gemischten Kohlensaeureestern

Also Published As

Publication number Publication date
IT1051459B (it) 1981-04-21
DE2555882A1 (de) 1976-10-28
JPS5183694A (cg-RX-API-DMAC7.html) 1976-07-22
DE2555882B2 (de) 1979-08-02
FR2294200B1 (cg-RX-API-DMAC7.html) 1984-02-17
LU73969A1 (cg-RX-API-DMAC7.html) 1977-07-01
FR2294200A1 (fr) 1976-07-09
DK559075A (da) 1976-06-12
BE836533A (fr) 1976-06-11
IE42098B1 (en) 1980-06-04
NL7514068A (nl) 1976-06-15
IE42098L (en) 1976-06-11
US4005121A (en) 1977-01-25
CA1064956A (en) 1979-10-23
DE2555882C3 (de) 1980-04-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee